Weighing scale



FIG. 1 is a front perspective view of the weighing scale of the present invention;

FIG. 2 is a right side elevational view of the weighing scale;

FIG. 3 is a top plan view of the weighing scale;

FIG. 4 is a bottom view of the weighing scale;

FIG. 5 is a front view of the weighing scale; and,

FIG. 6 is a rear view of the weighing scale. 

The ornamental design for a weighing scale, as shown. 